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Individual Calculations September 2019 |
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| Rathbone-Jones, Ifan Total change: 12.40 | |   |
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| 106th British Championships Major Open | Torquay | ENG | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 1855 | 4.50 | 9 | 1.30 | 40 | 52.00 | |
|  Taylor, William J | | | 2062 | ENG | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Ifalore, Michael | | | 1907 | ENG | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Cusick, Peter W | | | 1971 | ENG | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Shaw, Peter | | | 2068 | ENG | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Mueller, Jens | | | 1965 | GER | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Fathallah, Joe | | | 1952 | WLS | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Akeya-Price, Robert A | | | 1974 | ENG | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Merriman, James | | | 1808 | ENG | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Young, Daniel J | | | 1971 | ENG | 0.00 | 1 | -0.34 | 40 | -13.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 106th British Championships Under 16 | Torquay | ENG | 2019-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1778 | 1855 | 2.00 | 5 | -0.99 | 40 | -39.60 | |
| | Patel, Devan | | | 1659 | ENG | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Phillips, David | | | 1822 | ENG | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Cowan, Xavier | | | 1667 | ENG | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Sanitt, Leo | | | 1846 | ENG | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Salmons, Calum | | | 1898 | ENG | 0.00 | 1 | -0.44 | 40 | -17.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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